the u.s. do in that space that hasn't already been done, and is this an opportunity for us to to engage china? >> well, it's a tough opportunity. north korea i think we have to keep a couple of things in mind. we obviously need to respond in some way. they can't be allowed to get away with this. they didn't kill anybody but nuclear tests are not acceptable in the modern world. the idea that i'm trying to think there is whether any additional sanctions that we try to impose on them should be temporary on the condition that they not test again. the idea being that you would like kim jung-un this new 30-year-old leader to get a chance to establish himself. maybe he needed to allow the nuclear test to please the hard linessers. maybe he felt inexperienced to quickly take on the hard liners. i'm not necessarily saying that he's a reformer but we want to allow that possibility down the road. a punishment that is firm but temporary may be the way to break out of this logjam, and china may go along wi